The spell pretty explicitly explains that there is a time limit for returning people from the grave, but is there a time limit to restoring limbs and permanent wounds?
“It makes good on D&D's largely unfulfilled promise to take characters from lowly insignificance to the heights of power. There are rules for building castles, establishing and ruling domains (as well as wizard's sanctums and thieves guilds), and trading -- just about anything a high-level, power-hungry fantasy character might be interested in pursuing. Adventurer, Conqueror, King is a very cleverly designed game whose rules are quite compatible with most retro-clones, particularly Labyrinth Lord, making it extremely valuable to any player or referee looking to add any of its rules to their existing campaigns. This is good stuff and well worth a look.”


No, there's no time limit for restoring limbs or permanent wounds.